feat: tenant门店管理首批接口落地

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Extensions/AppServiceCollectionExtensions.cs

@@ -0,0 +1,57 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Infrastructure.App.Persistence;
+using TakeoutSaaS.Infrastructure.App.Repositories;
+
+namespace TakeoutSaaS.Infrastructure.App.Extensions;
+
+/// <summary>
+/// 门店模块基础设施注入扩展。
+/// </summary>
+public static class AppServiceCollectionExtensions
+{
+    /// <summary>
+    /// 注册门店模块所需的 DbContext 与仓储。
+    /// </summary>
+    /// <param name="services">服务集合。</param>
+    /// <param name="configuration">配置源。</param>
+    /// <returns>服务集合。</returns>
+    public static IServiceCollection AddAppInfrastructure(this IServiceCollection services, IConfiguration configuration)
+    {
+        // 1. 读取业务库连接串
+        var connectionString = ResolveAppDatabaseConnectionString(configuration);
+
+        // 2. 注册门店业务 DbContext
+        services.AddDbContext<TakeoutTenantAppDbContext>(options =>
+        {
+            options.UseNpgsql(connectionString);
+        });
+
+        // 3. 注册门店仓储
+        services.AddScoped<IStoreRepository, EfStoreRepository>();
+        return services;
+    }
+
+    private static string ResolveAppDatabaseConnectionString(IConfiguration configuration)
+    {
+        // 1. 优先读取新结构配置
+        var writeConnection = configuration["Database:DataSources:AppDatabase:Write"];
+        if (!string.IsNullOrWhiteSpace(writeConnection))
+        {
+            return writeConnection;
+        }
+
+        // 2. 兼容 ConnectionStrings 配置
+        var fallbackConnection = configuration.GetConnectionString("AppDatabase");
+        if (!string.IsNullOrWhiteSpace(fallbackConnection))
+        {
+            return fallbackConnection;
+        }
+
+        // 3. 未配置时抛出异常
+        throw new InvalidOperationException("缺少业务库连接配置：Database:DataSources:AppDatabase:Write");
+    }
+}
+